English to English

noun (n)

• great coolness and composure under strain

  hebat bersenang senang dan ketenangan di bawah tekanan

  Synonym:
  aplomb, cool, poise, sang-froid
  

  source: wordnet30
• The state of being assured; certainty; full confidence.

  keadaan menjadi kenyataan; kepastian; penuh keyakinan.

  source: webster1913